JAXBElement<SearchResponse> response = null;
JAXBElement<SearchRequest> req = soapClient.genConn(searchReq);

try {
    response = (JAXBElement<SearchResponse>) getWebServiceTemplate().marshalSendAndReceive(req, new SoapActionCallback("search"));
} catch (RuntimeException e) {
    throw new Exception(e);
}

public class SearchInvokerTest extends PackageTest{

    @InjectMocks private SearchInvoker invoker;

    @Mock private SearchSoapClient soapClient;
    @Mock private WebServiceOperations template;

    @Test
    public void searchInvokerTest() throws Exception {
        ObjectFactory factory = new ObjectFactory();

        doReturn(factory.createSearchResponse(generateAwsSearchRsp())).when(template.marshalSendAndReceive(any(JAXBElement.class), any(WebServiceMessageCallback.class)));

        SearchResponse rsp = invoker.doSearch(new SearchRequestDVO());

        assertNotNull(rsp);
        assertEquals("123", rsp.getTraceID());
    }
}